Here's a complete alloy Supraphonic players snare. Heavily pitted, but all original and complete. Date stamp January 1971, Anti-galvanic.
Try your hand at custom painting, or do what I did - attached are a couple of pictures of a 64 Supra that was pitted just as bad. A $45 dip-trip to the metal refinisher's, and then a couple of hours of wet sanding and polishing yielded this 'brushed' look. I'm happy with the way it turned out.
$175 shipped to US48.
Thanks for looking
John